#include <bits/stdc++.h>
using namespace std;

int main() {
  int n, m;
  cin >> n >> m;
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= m; j++) {
      cout << "+-";
    }
    cout << "+";
    cout << endl;
    for (int j = 1; j <= m; j++) {
      cout << "| ";
    }
    cout << "|";

    cout << endl;
  }
  for (int i = 1; i <= m; i++) {
    cout << "+-";
  }
  cout << "+";
  return 0;
}
